Chrysler Cars to Get Fiat MultiAir Tech

The Fiat Group has confirmed it will upgrade Chrysler's four-cylinder engines in the U.S. with Fiat's MultiAir variable valve timing and lift system, in an effort to improve fuel economy and power output.

The Fiat Group has confirmed it will upgrade Chrysler's four-cylinder engines in the U.S. with Fiat's MultiAir variable valve timing and lift system, in an effort to improve fuel economy and power output, Edmunds.com reports.

The technology lets Fiat achieve about a 10 percent increase in power for a given engine size, while boosting mileage and reducing emissions.

The report cited the Dodge Caliber, which has a 2.4-liter engine making 172 horsepower, and the same block outputting 173 horsepower in the mediocre Sebring, as examples. Fiat's MultiAir-equipped version of that 2.4-liter would generate about 190 horsepower, the report said.

Numerous other automakers, notably Honda, have had variable valve timing for years, but the Big Three have generally lagged in four-cylinder engine development.

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